/*******************************************************************************
 * Copyright (c) 1991, 2016 IBM Corp. and others
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution and
 * is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * This Source Code may also be made available under the following
 * Secondary Licenses when the conditions for such availability set
 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
 * General Public License, version 2 with the GNU Classpath
 * Exception [1] and GNU General Public License, version 2 with the
 * OpenJDK Assembly Exception [2].
 *
 * [1] https://www.gnu.org/software/classpath/license.html
 * [2] http://openjdk.java.net/legal/assembly-exception.html
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 *******************************************************************************/

#ifndef objhelp_h
#define objhelp_h

#define PUSH_OBJECT_IN_SPECIAL_FRAME(vmThread, obj) \
	do { \
		*((j9object_t*) (--(vmThread)->sp)) = (obj); \
		*((UDATA *) &((vmThread)->literals)) += sizeof(UDATA); \
	} while(0)

#define POP_OBJECT_IN_SPECIAL_FRAME(vmThread) \
	(*((UDATA *) &((vmThread)->literals)) -= sizeof(UDATA), *((j9object_t*) (((vmThread)->sp)++)))

#define DROP_OBJECT_IN_SPECIAL_FRAME(vmThread) \
	do { *((UDATA *) &((vmThread)->literals)) -= sizeof(UDATA); (vmThread)->sp += 1; } while(0)

#define PEEK_OBJECT_IN_SPECIAL_FRAME(vmThread, index) \
	((j9object_t*) ((vmThread)->sp))[(index)]

#endif     /* objhelp_h */
